Under national standard GB 7258-2017, what mandatory emergency and safety equipment must be carried on all commercial heavy freight vehicles?

1. At least one certified fire extinguisher in valid inspection date, a reflective warning triangle, wheel chocks (防溜木/轮楔), and a reflective safety vest
2. A satellite television dish, a microwave oven, and two sleeping bags
3. A set of tire studding spikes and a gas-powered welding torch
4. An electric megaphone and five emergency flare torches